The East coast layer correctly should looke like this:

But here is whats happening with master wms:

For Global we get:

but it should look like:

Notebooks to help:
https://github.com/mpiannucci/ocean-notebooks/blob/main/rtofs_global.ipynb
https://github.com/mpiannucci/ocean-notebooks/blob/main/rtofs_remote.ipynb (the second can be modified to work with global too)